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Backend Service

The backend component is responsible for handling core application logic and interactions with the database, message queues, and other services. This document outlines the configurable parameters available for backend deployment. configuration is defined under deployments.backend in the values.yaml

Configuration Options

General Settings

backend:
  useJsonLogFormat: false  # Enables structured JSON logging

Horizontal Pod Autoscaling (HPA) And Replicas

  hpa:
    enabled: false          # Enables or disables HPA
    cpu: 50                # Target CPU utilization percentage
    maxReplicas: 5         # Maximum number of replicas
  replicas: 1              # Default number of replicas

Deployment Strategy

  rollout_strategy: "Recreate"  # Defines the rollout strategy

Note: The rollout_strategy should not be changed while upgrading Lightrun version.

Image Configuration

  image:
    repository: lightruncom/server
    tag: ""
    pullPolicy: IfNotPresent

Resource Allocation

  resources:
    cpu: 3000m    # CPU limit
    memory: 7Gi   # Memory limit

Pod Labels & Annotations

  podLabels: {}
  podAnnotations: {}
  annotations: {}  # Deprecated in favor of podAnnotations

Extra Environment Variables

extraEnvs: []

The chart may also set LIGHTRUN_SECURITY_PINNED_HASHES when you define certificate.security_pinned_hashes (comma-separated SPKI SHA-256 hashes). See Managing the TLS Certificate.

Security Contexts

  podSecurityContext: {}
  containerSecurityContext: {}

Service Annotations & Labels

  service:
    annotations: {}
    labels: {}

Volumes

  extraVolumes: []
  extraVolumeMounts: []

Init Containers

  initContainers:
    wait_for_keycloak:
      image:
        repository: lightruncom/chart-helper
        tag: latest
        pullPolicy: ""
    p12_creator:
      image:
        repository: lightruncom/chart-helper
        tag: latest
        pullPolicy: ""
    wait_for_rabbitmq:
      image:
        repository: lightruncom/chart-helper
        tag: latest
        pullPolicy: ""

Pod Disruption Budget & Scheduling

  podDisruptionBudget: {}
  topologySpreadConstraints: []
  affinity: {}

Lifecycle & Graceful Shutdown

  lifecycle:
    preStop:
      exec:
        command: ["sh", "-c", "sleep 10"]
  terminationGracePeriodSeconds: 45

Health Probes

  startupProbe:
    path: /management/health/readiness
    failureThreshold: 60
    periodSeconds: 10
    timeoutSeconds: 5
    successThreshold: 1

  livenessProbe:
    initialDelaySeconds: 200
    periodSeconds: 50
    timeoutSeconds: 30
    successThreshold: 1
    failureThreshold: 3
    path: /version

  readinessProbe:
    initialDelaySeconds: 10
    periodSeconds: 10
    timeoutSeconds: 5
    successThreshold: 1
    failureThreshold: 3
    path: /management/health/readiness